﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SalesModel;

namespace SalesController
{
    public interface DAOSale
    {
        void add(Sale s);
        void update(Sale s);
        void delete(int saleId);
        List<Sale> queryAll();
        Sale queryById(int saleId);
        int count();
    }
}
